The following tables shows the number of male and female workers, under employment guarantee scheme, in villages A, B, C and D.

(1) Show the information by a sub-divided bar-diagram.

(2) Show the information by a percentage bar diagram.

The diameter and height of a cylindrical tank is 1.75 m and 3.2 m respectively. How much is the capacity of the tank in litre? (π = 22/7)

The length of a chord of a circle of 16.8 cm, the radius is 9.1 cm. Find its distance from the centre.

Solve the following equations.

(1) 17 (x + 4) + 8 ( x + 6) = 11( x +5) + 15 (x +3)

Complete the activity according to the given steps.

(1) Draw rhombus ABCD. Draw diagonal AC.

(2) Show the congruent parts in the figure by identical marks.

(3) State by which test and in which correspondence ∆ ADC and ∆ ABC are congruent.

(4) Give reason to show ∠DCA ≅ ∠BCA, and ∠DAC ≅ ∠BAC

(5) State which property of a rhombus is revealed from the above steps.